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City of Clearlake, CAClearlake, CA 7-Day Weather Forecast
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Clearlake Weather Forecast
Clearlake, CA Weather Forecast Date: 136 PM PDT Tue Sep 22 2026
Weather forecast for Clearlake, CA
Tonight Lo: 58°F Lo: 14°C |
Tonight... Clear. Lows 52 to 62. Northwest wind up to 10 mph. |
Wed Hi: 89°FHi: 32°C Lo: 62°F Lo: 17°C |
Wednesday... Mostly sunny. Highs 83 to 93. North wind around 10 mph shifting to the south in the afternoon. |
| Thu Hi: 88°FHi: 31°C Lo: 57°F Lo: 14°C |
Thursday... Mostly sunny. Highs 82 to 93. South wind around 10 mph. |
| Fri Hi: 80°FHi: 27°C Lo: 53°F Lo: 12°C |
Friday... Sunny. Highs 74 to 84. West wind 5 to 15 mph. |
Sat Hi: 78°FHi: 26°C Lo: 53°F Lo: 12°C |
Saturday... Partly cloudy. Lows 47 to 57. Highs 71 to 84. |
| Sun Hi: 78°FHi: 26°C Lo: 53°F Lo: 12°C |
Sunday... Partly cloudy. Lows 47 to 57. Highs 71 to 84. |
| Sun Hi: 78°FHi: 26°C Lo: 54°F Lo: 12°C |
Sunday... Partly cloudy. Lows 47 to 57. Highs 71 to 84. |
| Mon Hi: 81°FHi: 27°C Lo: 54°F Lo: 12°C |
Monday... Mostly clear. Lows 48 to 58. Highs 73 to 88. |
| Tue Hi: 81°FHi: 27°C Lo: 54°F Lo: 12°C |
Tuesday... Mostly clear. Lows 48 to 58. Highs 73 to 88. |
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